Move file and add interface to improve Archi Hexa

src/main/kotlin/eventDemo/business/command/action/IWantToPlayCard.kt

@@ -0,0 +1,36 @@
+package eventDemo.business.command.action
+
+import eventDemo.business.command.CommandException
+import eventDemo.business.command.command.IWantToPlayCardCommand
+import eventDemo.business.event.event.CardIsPlayedEvent
+import eventDemo.business.event.projection.GameStateRepository
+
+/**
+ * A command to perform an action to play a new card
+ */
+data class IWantToPlayCard(
+  private val gameStateRepository: GameStateRepository,
+) : CommandAction<IWantToPlayCardCommand, CardIsPlayedEvent> {
+  override fun run(command: IWantToPlayCardCommand): (version: Int) -> CardIsPlayedEvent {
+    val state = gameStateRepository.getLast(command.payload.aggregateId)
+
+    if (!state.isStarted) {
+      throw CommandException("The game is Not started")
+    }
+    if (state.currentPlayerTurn != command.payload.player) {
+      throw CommandException("Its not your turn!")
+    }
+    if (!state.canBePlayThisCard(command.payload.player, command.payload.card)) {
+      throw CommandException("You cannot play this card")
+    }
+
+    return { version ->
+      CardIsPlayedEvent(
+        aggregateId = command.payload.aggregateId,
+        card = command.payload.card,
+        player = command.payload.player,
+        version = version,
+      )
+    }
+  }
+}